<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        var nas = {
            uname: '张山否',
            age: '18'
        }
        var html = `我的名字是${nas.uname},我今年${nas.age}岁了`
        var htal = html.repeat(100)
        var isHloow = html.startsWith('我')
        console.log(isHloow);
        console.log(html);
        console.log(htal);
    </script>
</body>

</html>